$6.$ Use Scenario $14\mathrm{.}1$ to determine the in$-$transit inventory cost of the Mashburn Rail option if the Onion Shack purchases $240,000$ bags of Vidalia onions each year.

A$)$ $$3287\mathrm{.}67$

B$)$ $$2604\mathrm{.}67$

C$)$ $$1972\mathrm{.}60$

D$)$ $$1864\mathrm{.}60$